What is the measure of the center of numerical data?
100
These are: Simple random sample, stratified, cluster, systematic, convenience and volunteer.
What are sampling methods?
100
These are used to help minimize response bias.
What are Placebos and Blinding?
100
A coin is tossed three times. What is the probability that it lands on heads exactly one time?
What is 0.375?
100
The test that is used to determine if a claimed distribution among two or more categories is not supported.
What is a Goodness of fit test?
200
A sample consists of four observations: {1, 3, 5, 7}. What is the standard deviation?
What is 2.58?
200
The bias that occurs when some subjects sampled do not reply.
What is Non-Response Bias?
200
Performed to determine cause and effect.
What are experimental studies?
200
Mackenzie is a high school baseball player. He gets a hit 70% of the time. That means his average is .70. What is the probability that he gets his first hit on his fifth at bat?
What is 0.0057?
200
The test that is used to determine if an association exists between categories within a given population.
What is a chi-squared test of independence?
300
This greatly influences the Mean but has little effect on the Median.
What is an Outlier?
300
The kind of sampling occurs when taking a large sample where each subject may be selected multiple times.
What is sampling with replacement?
300
1. Select a method
2. Assign random numbers to outcomes
3. Select a starting point or seed
4. Determine the number of trials
5. Conduct the __________, recording outcomes
6. Summarize results
7. Draw a conclusion
What is Conducting a Simulation
300
1. Ordered Pairs
2. Tree Diagrams
3. Frequency Distribution Table(Contingency Table)
4. Venn Diagram
What is presenting multidimensional probabilities
300
Rejecting the null hypothesis when it is true
What is a Type I error
400
The two things to look for in a Time Series plot.
What is trends and cyclical patterns?
400
The sampling method where every kth element from the list is selected to be included in the sample.
What is systematic sampling?
400
Variables that can invalidate cause and effect experiments
What is an extraneous factor
400
P(A|B)= P(A)
P(A and B)= P(A)xP(B)
P(A and B)= column total x row total
What is determining independence
400
This is equal to 1-Beta, where Beta is given
What is the power?
500
The rule that states: At least [1-(1/k^2)] of the data is +/- ks from the mean.
What is Chebyshev's Rule?
500
The term for sampling from a population that is larger than the desired population.
What is overcoverage?
500
Are used to measure the difference in cause and effect experiments
What is a control group
500
Ninety percent of the people who have a particular disease will have a positive result on a given diagnostic test. If 5 percent of a certain population has the disease, what percent of that population would test positive for the disease?
What is 14% or .14
500
1. Random Sample
2. Approximately linear scatterplot
3. No pattern in the residuals plot
4. The distribution of the residuals is approximately normal
What are the assumtions for testing the slope of the least squares line (or regression line)?